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40 Functions and Relations Lesson #5: Composition of Functions 10. Consider the functions f(x) = Vx - 3 and 8(x) = x2 + 2. a) Find expressions for (f o g) (x) and (8 of) (x). F ( x * + 2 ) = V x 2 +2 - 3 / 9 ( F ( x ) = q x - 3 ) 5 2 = (V - 5 ] + 2= X-3+2 F ( x ) = V x 2 - 1 - 1 b) Determine the domains of c) Determine the ranges of f, 8, fog, and g of. f, g, fog, and g of. F ( 9 ( x ) ) X / X